﻿/***************************************************************************

Copyright (c) Microsoft Corporation. All rights reserved.
This code is licensed under the Visual Studio SDK license terms.
THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.

***************************************************************************/

using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Text;
using Microsoft.VisualStudio.OLE.Interop;

namespace ConnectionStringCat_IntegrationTests.IntegrationTest_Library
{
	/// <summary>
	///     Defines pinvoked utility methods and internal VS Constants
	/// </summary>
	internal static class NativeMethods
	{
		internal const int QS_KEY = 0x0001,
			QS_MOUSEMOVE = 0x0002,
			QS_MOUSEBUTTON = 0x0004,
			QS_POSTMESSAGE = 0x0008,
			QS_TIMER = 0x0010,
			QS_PAINT = 0x0020,
			QS_SENDMESSAGE = 0x0040,
			QS_HOTKEY = 0x0080,
			QS_ALLPOSTMESSAGE = 0x0100,
			QS_MOUSE = QS_MOUSEMOVE | QS_MOUSEBUTTON,
			QS_INPUT = QS_MOUSE | QS_KEY,
			QS_ALLEVENTS = QS_INPUT | QS_POSTMESSAGE | QS_TIMER | QS_PAINT | QS_HOTKEY,
			QS_ALLINPUT = QS_INPUT | QS_POSTMESSAGE | QS_TIMER | QS_PAINT | QS_HOTKEY | QS_SENDMESSAGE;

		internal const int Facility_Win32 = 7;
		internal const int WM_CLOSE = 0x0010;

		internal const int
			S_FALSE = 0x00000001,
			S_OK = 0x00000000,
			IDOK = 1,
			IDCANCEL = 2,
			IDABORT = 3,
			IDRETRY = 4,
			IDIGNORE = 5,
			IDYES = 6,
			IDNO = 7,
			IDCLOSE = 8,
			IDHELP = 9,
			IDTRYAGAIN = 10,
			IDCONTINUE = 11;

		// Declare two overloaded SendMessage functions
		[DllImport("user32.dll")]
		internal static extern UInt32 SendMessage(IntPtr hWnd, UInt32 Msg,
			UInt32 wParam, IntPtr lParam);

		[DllImport("user32.dll", CharSet = CharSet.Auto)]
		internal static extern bool PeekMessage([In, Out] ref MSG msg, HandleRef hwnd, int msgMin, int msgMax, int remove);

		[DllImport("user32.dll", CharSet = CharSet.Auto)]
		internal static extern bool TranslateMessage([In, Out] ref MSG msg);

		[DllImport("user32.dll", CharSet = CharSet.Auto)]
		internal static extern int DispatchMessage([In] ref MSG msg);

		[DllImport("user32.dll", CharSet = CharSet.Auto)]
		internal static extern bool AttachThreadInput(uint idAttach, uint idAttachTo, bool attach);

		[DllImport("user32.dll", CharSet = CharSet.Auto)]
		internal static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);

		[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
		internal static extern uint GetCurrentThreadId();

		[DllImport("user32")]
		internal static extern int EnumChildWindows(IntPtr hwnd, CallBack x, IntPtr y);

		[DllImport("user32")]
		internal static extern bool IsWindowVisible(IntPtr hDlg);

		[DllImport("user32.dll", CharSet = CharSet.Auto)]
		internal static extern IntPtr SetFocus(IntPtr hWnd);

		[DllImport("user32")]
		internal static extern int GetClassName(IntPtr hWnd,
			StringBuilder className,
			int stringLength);

		[DllImport("user32")]
		internal static extern int GetWindowText(IntPtr hWnd, StringBuilder className, int stringLength);

		[DllImport("user32")]
		internal static extern bool EndDialog(IntPtr hDlg, int result);

		[DllImport("Kernel32")]
		internal static extern long GetLastError();

		internal static long HResultFromWin32(long error)
		{
			if (error <= 0)
			{
				return error;
			}

			return ((error & 0x0000FFFF) | (Facility_Win32 << 16) | 0x80000000);
		}

		/// <devdoc>
		///     Please use this "approved" method to compare file names.
		/// </devdoc>
		public static bool IsSamePath(string file1, string file2)
		{
			if (file1 == null || file1.Length == 0)
			{
				return (file2 == null || file2.Length == 0);
			}

			Uri uri1 = null;
			Uri uri2 = null;

			try
			{
				if (!Uri.TryCreate(file1, UriKind.Absolute, out uri1) || !Uri.TryCreate(file2, UriKind.Absolute, out uri2))
				{
					return false;
				}

				if (uri1 != null && uri1.IsFile && uri2 != null && uri2.IsFile)
				{
					return 0 == String.Compare(uri1.LocalPath, uri2.LocalPath, StringComparison.OrdinalIgnoreCase);
				}

				return file1 == file2;
			}
			catch (UriFormatException e)
			{
				Trace.WriteLine("Exception " + e.Message);
			}

			return false;
		}

		internal delegate bool CallBack(IntPtr hwnd, IntPtr lParam);
	}
}